Identification guide to Nordic aphids associated with mosses, horsetails and ferns (Bryophyta, Equisetophyta, Polypodiophyta) (Insecta, Hemiptera, Aphidoidea) Author Albrecht, Anders Christian text European Journal of Taxonomy 2015 2015-10-21 145 1 55 journal article 22370 10.5852/ejt.2015.145 5743d321-5138-4b7e-81df-a2701a38dc44 2118-9773 3787410 F6A3EA6C-9080-4DC7-9EF9-4C4DBEB4086F Macrosiphum dryopteridis (Holman, 1959) Fig. 35 Diagnosis Aptera 2.5–4.2 mm , yellowish green (rarely bright green). Eyes black. Abd. dorsum sclerotised (but neither darkened nor distinctly glossy), segmental borders obliterated. Siphunculi slightly swollen distally. Ant. segment 3 with 0–10 rhinaria. RIV+V less than 0.14 mm . Holocyclic, monoecious. Shady places, parks, gardens, mixed and deciduous forests. Not ant-attended. Recorded hosts Athyriaceae : Athyrium distentifolium , A. filix-femina * ; Cystopteridaceae : Gymnocarpium dryopteris , G. robertianum ; Dennstaedtiaceae : Pteridium aquilinum ; Dryopteridaceae : Dryopterix carthusiana * , D. cristata * , D. dilatata , D. filix-mas ; Polypodiaceae : Polypodium vulgare ; Thelypteridaceae : Phegopteris connectilis , Thelypteris palustris . Distribution F N S.